| 摘要 |
The present invention relates to a light source and detecting device thereof includes: a housing; a printed circuit board; an optical fiber connector; a laser diode; a laser driving module; a light coupling device; a light detecting module; an analog-to-digital converter; a micro controlling device; a stroke switch and a displaying device; when the stroke switch is pressed, the light detecting module is activated according to a determination made by the micro controlling device then a light signal coupled by the light coupling device is detected by the light detecting module, then the signal is displayed on the displaying device after being converted by the analog-to-digital converter or the laser diode is driven by the laser driving module and a laser source is therefore emitted.
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